(57) An improved, full hot air recovery, fireplace-heater is disclosed, wherein the flue
gases are forced to follow obliged paths through exchange chambers before being exhausted
to the outside.
The fireplace comprises a hearth (6) and a plurality of chambers (106, 109, 112) for
the circulation of flue gases, which are serially arranged one another on the exterior
of the hearth (6) and surrounded by an outer chamber (17) for the circulation of ambient
air where the flue gas heat is recovered by exchange at walls.
Also provided is a means (22) for forcing the circulation of ambient air through the
chamber (17).
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